
will be increasing on the intervals where

and decreasing wherever

. Local extrema occur when

and the sign of

changes to either side of that point.

is positive when

is between -4 and some number between -2 and -1, and also 2 (exclusive) and 4, so you can estimate that

is increasing on the intervals [-4, -2] and (2, 4].

is negative when

is between some number between -2 and -1, up to some number less than 2. So

is decreasing on the interval [-1, 1].
You then have two possible cases for extrema occurring. The sign of

changes for some

between -2 and -1, and again to either side of

.
Kate-1145
Karina-1029
Jane-916
Using your talking about putting it into an improper fraction. it would be 43/10.
Answer:
140
Step-by-step explanation:
Let total money spent by Eliza's be represented as x
Five times amount Eliza spent = 5x and total amount spent by Jade is $150
So it will be $10+ 5x =$150
5x= 150- 10
5x= 140
x = 140÷5
x= 28
........................
So therefore Eliza's amount spent = $28 and
5x$28 = $140
Jade spent $10 more equals $10+$140= $150(Total money spent by Jade).